import { Command } from './Command.js';

/**
 * @param editor Editor
 * @param object THREE.Object3D
 * @param attributeName string
 * @param newValue number, string, boolean or object
 * @constructor
 */
class SetMaterialValueCommand extends Command {

    constructor( editor, object, attributeName, newValue, materialSlot ) {

        super( editor );

        this.type = 'SetMaterialValueCommand';
        this.name = `Set Material.${attributeName}`;
        this.updatable = true;

        this.object = object;
        this.material = this.editor.getObjectMaterial( object, materialSlot );

        this.oldValue = ( this.material !== undefined ) ? this.material[ attributeName ] : undefined;
        this.newValue = newValue;

        this.attributeName = attributeName;

    }

    execute() {

        this.material[ this.attributeName ] = this.newValue;
        this.material.needsUpdate = true;

        this.editor.signals.objectChanged.dispatch( this.object );
        this.editor.signals.materialChanged.dispatch( this.material );

    }

    undo() {

        this.material[ this.attributeName ] = this.oldValue;
        this.material.needsUpdate = true;

        this.editor.signals.objectChanged.dispatch( this.object );
        this.editor.signals.materialChanged.dispatch( this.material );

    }

    update( cmd ) {

        this.newValue = cmd.newValue;

    }

    toJSON() {

        const output = super.toJSON( this );

        output.objectUuid = this.object.uuid;
        output.attributeName = this.attributeName;
        output.oldValue = this.oldValue;
        output.newValue = this.newValue;

        return output;

    }

    fromJSON( json ) {

        super.fromJSON( json );

        this.attributeName = json.attributeName;
        this.oldValue = json.oldValue;
        this.newValue = json.newValue;
        this.object = this.editor.objectByUuid( json.objectUuid );

    }

}

export { SetMaterialValueCommand };
